Art & Cultural Heritage – Terahertz technologies for imaging, sensing and societal applications

Propagation beam consideration for 3D THz computed tomography

June 7, 2026June 6, 2026 by JP

The study introduces a new physical model that captures the real behaviour of terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) radiation when used for three-dimensional tomographic imaging. Unlike conventional X‑ray methods that treat the beam as a straight, uniform ray, the authors model the THz pulse as a Gaussian beam whose…

Iterative Tree Algorithm to Evaluate Terahertz Signal Contribution of Specific Optical Paths Within Multilayered Materials

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More time‑domain spectroscopy (THz‑TDS) is a powerful, contact‑less technique for probing the internal structure of layered materials, a capability that is increasingly valuable in aerospace, automotive, composite manufacturing, and cultural heritage conservation. Conventional THz‑TDS analysis…

A Versatile Illumination System for Real-Time Terahertz Imaging

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Skeletonization and 3D rendering with real time terahertz tomography

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) technology has long been recognised for its unique ability to penetrate non‑conductive, often opaque materials and reveal hidden structures without causing damage. Yet the potential of THz imaging for rapid, on‑line non‑destructive testing (NDT) and quality control has remained…

Scanning laser terahertz near-field reflection imaging system

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Continuous-wave scanning terahertz near-field microscope

A new terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More imaging platform has been introduced that reconciles the high sensitivity of terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) radiation with the practical constraints of industrial and medical diagnostics. By focusing femtosecond pulses from a fiber‑coupled 1.56 µm laser onto a thin gallium arsenide crystal, the…

Shape-from-focus for real-time terahertz 3D imaging

June 7, 2026June 6, 2026 by JP

The study demonstrates that the Shape‑from‑Focus (SFF) algorithm, traditionally used in optical microscopy, can be successfully applied to real‑time terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) imaging systems to generate sharp two‑dimensional images and depth maps of thin or layered objects. By recording a rapid stack of…

Terahertz frequency modulated continuous wave imaging advanced data processing for art painting analysis

June 7, 2026June 6, 2026 by JP

An in-depth editorial guide to TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More frequency modulated continuous wave imaging advanced data processing for artTerahertz technology offers a powerful, non-invasive way to explore and preserve works of art and cultural heritage objects. Positioned between infrared and microwaves, terahertz waves can penetrate many non-metallic and... More painting analysis, its scientific context, terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More contribution, applications, and collaboration potential in ArtTerahertz technology offers a powerful, non-invasive way to explore and preserve works of art and cultural heritage objects. Positioned between infrared and microwaves, terahertz waves can penetrate many non-metallic and... More & Cultural Heritage.

Liquid index matching for 2D and 3D terahertz imaging

June 7, 2026June 6, 2026 by JP

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) imaging offers a non‑destructive, contactless method for probing the internal structure of dielectric materials, yet its practical use has been limited by severe artifacts caused by refractive‑index mismatch at sample interfaces. This study demonstrates that immersing non‑planar…

Advanced Processing Sequence for 3-D THz Imaging

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Ordered subsets convex algorithm for 3D terahertz transmission tomography

The authors present a comprehensive, automated image‑processing pipeline that transforms raw terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) radiographs into detailed three‑dimensional reconstructions of an object’s internal structure. The sequence combines a regularized tomographic reconstruction algorithm with K‑means…

Review of Terahertz Tomography Techniques

June 7, 2026June 6, 2026 by JP

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) imaging exploits the unique ability of 0.3–10 THz radiation to penetrate a wide range of dielectric materials while providing spectroscopic fingerprints of many chemical species. The reviewed work demonstrates that, beyond conventional two‑dimensional transmission or reflection…

Ordered subsets convex algorithm for 3D terahertz transmission tomography

June 7, 2026June 6, 2026 by JP

This research introduces a practical, high‑performance technique for three‑dimensional terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) tomography that is designed to meet the stringent demands of non‑destructive inspection in industrial and cultural heritage contexts. The method refines the maximum‑likelihood reconstruction…

Art Painting Diagnostic Before Restoration with Terahertz and Millimeter Waves

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with TeraPulse Lx for terahertz imaging of painting on canvas

An in-depth editorial guide to ArtTerahertz technology offers a powerful, non-invasive way to explore and preserve works of art and cultural heritage objects. Positioned between infrared and microwaves, terahertz waves can penetrate many non-metallic and... More Painting Diagnostic Before Restoration with TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More and Millimeter Waves, its scientific context, terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More contribution, applications, and collaboration potential in BiomedicalTerahertz and millimeter-wave technologies offer promising non-ionizing tools for biomedical tissue analysis, particularly for breast cancer research. Their sensitivity to water content, tissue structure, and dielectric contrast can help distinguish... More Imaging.

Terahertz Spectroscopy and Quantum Mechanical Simulations of Crystalline Copper-Containing Historical Pigments

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Terahertz spectroscopy and quantum mechanical simulations of crystalline copper-containing historical pigments

The study demonstrates how terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) spectroscopy, when coupled with solid‑state density functional theory (ss‑DFT) simulations, provides a powerful, non‑destructive tool for the identification and analysis of copper‑containing historical pigments used in artTerahertz technology offers a powerful, non-invasive way to explore and preserve works of art and cultural heritage objects. Positioned between infrared and microwaves, terahertz waves can penetrate many non-metallic and... More, manuscripts, and cultural…

Guided terahertz pulse reflectometry with double photoconductive antenna

June 7, 2026June 6, 2026 by JP

The research team from Bordeaux and Limoges has engineered a compact, optics‑free terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More imaging system that delivers high‑resolution reflectometry through a single hollow‑core waveguide. By integrating two photoconductive antennas on a single low‑temperature gallium arsenide chip and coupling…

Terahertz waves for contactless control and imaging in aeronautics industry

June 7, 2026June 6, 2026 by JP

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More technology is emerging as a powerful, contact‑free tool for the aeronautics sector, offering both rapid structural health monitoring and precise material characterization. The study demonstrates that frequency‑modulated continuous‑wave (FMCW) radars operating in the 100–300 GHz band can…

Single-scan multiplane phase retrieval with a radiation of terahertz quantum cascade laser

June 7, 2026June 6, 2026 by JP

Research figure associated with An algorithm of unordered wavefront propagation in terahertz phase retrieval with dense multiplane data acquisition

An in-depth editorial guide to Single-scan multiplane phase retrieval with a radiation of terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More quantum cascade laser, its scientific context, terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More contribution, applications, and collaboration potential in BiomedicalTerahertz and millimeter-wave technologies offer promising non-ionizing tools for biomedical tissue analysis, particularly for breast cancer research. Their sensitivity to water content, tissue structure, and dielectric contrast can help distinguish... More Imaging.

Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar

June 7, 2026June 6, 2026 by JP

The 150 GHz continuous‑wave radar, based on a homodyne eight‑harmonic mixing architecture, delivers non‑contact, high‑dynamic‑range imaging of a broad class of materials at sub‑millimetre depth resolution and up to 7.6 kHz frame rates. Achieving a 100 dB measurement dynamic range for few‑second…

An algorithm of unordered wavefront propagation in terahertz phase retrieval with dense multiplane data acquisition

June 7, 2026June 6, 2026 by JP

An in-depth editorial guide to An algorithm of unordered wavefront propagation in terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More phase retrieval with dense multiplane data acquisition, its scientific context, terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More contribution, applications, and collaboration potential in BiomedicalTerahertz and millimeter-wave technologies offer promising non-ionizing tools for biomedical tissue analysis, particularly for breast cancer research. Their sensitivity to water content, tissue structure, and dielectric contrast can help distinguish... More Imaging.

Augmented Reality Terahertz (AR-THz) Sensing and Imaging with Frequency-Modulated Continuous-Wave Radar

June 7, 2026June 6, 2026 by JP

Terahertz research image associated with Augmented reality terahertz (AR-THz) sensing and imaging with frequency-modulated continuous-wave radar

The research introduces a handheld terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) sensing platform that fuses a frequency-modulated continuous wave (FMCW) radar with a smartphone‑based augmented reality (AR) interface. The integration eliminates the need for heavy mechanical scanners, reducing system weight and cost while…

Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars

June 7, 2026June 6, 2026 by JP

The study demonstrates a new generation of terahertz‑frequency radar probes that combine a frequency‑modulated continuous‑wave (FMCW) transmitter with a thin‑wall hollow‑core dielectric waveguide. By guiding the millimetre‑wave signal directly inside a polymer pipe, the device eliminates the need…

Skeletonization and 3D rendering with real time terahertz tomography

June 7, 2026June 6, 2026 by JP

The study demonstrates a fully integrated, real‑time terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More computed tomography platform that can acquire full‑field images at 25 frames per second, reconstruct a three‑dimensional volume, and automatically process that data to reveal detailed internal morphology within a single minute. By…

Characterization of Varnish Ageing and its Consequences on Terahertz Imagery: Demonstration on a Painting Presumed of the French Renaissance

June 7, 2026June 6, 2026 by JP

TerahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More (THz) imaging has been demonstrated as a powerful, non‑contact, non‑ionizing technique for probing the internal structure of cultural heritage objects, particularly those mounted on metal supports where conventional optical, X‑ray, or infrared methods fail. In this study, a…

TeraPulse Lx for terahertz imaging of painting on canvas

June 7, 2026June 6, 2026 by JP

An in-depth editorial guide to TeraPulse Lx for terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More imaging of painting on canvas, its scientific context, terahertzTerahertz radiation is electromagnetic energy commonly associated with frequencies around 0.1 to 10 THz, between microwaves and infrared, where many materials reveal distinctive propagation, absorption, and imaging behavior. More contribution, applications, and collaboration potential in ArtTerahertz technology offers a powerful, non-invasive way to explore and preserve works of art and cultural heritage objects. Positioned between infrared and microwaves, terahertz waves can penetrate many non-metallic and... More & Cultural Heritage.

Feasibility of Using a 300 GHz Radar to Detect Fractures and Lithological Changes in Rocks

June 7, 2026June 6, 2026 by JP

The study demonstrates that a compact, frequency‑modulated continuous‑wave radar operating at 300 GHz can non‑destructively image rock interiors with unprecedented detail. By scanning a 121 cm² area in only fifteen minutes, the system resolves millimetre‑scale fractures and subtle lithological…